Finding the Fourth Proportional to 220,981.10, 331,636.73 and 149,734.80
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Solution
The fourth proportional to 220,981.10, 331,636.73 and 149,734.80 is: 224,714.06
Step by Step Solution
- Step 1: Write the proportion equation
220,981.10 : 331,636.73 = 149,734.80 : x - Step 2: Convert to fraction form
220,981.10/331,636.73 = 149,734.80/x - Step 3: Cross multiply
220,981.10x = 331,636.73 × 149,734.80 - Step 4: Simplify right side
220,981.10x = 49,657,558,690.53 - Step 5: Solve for x
x = 49,657,558,690.53/220,981.10 - Step 6: Final answer
x = 224,714.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.